Beretta M9A4 9mm Lunar 5.1″ Threaded Barrel Semi-Auto Pistol 10+1

The Beretta M9A4 in Lunar finish is a purpose-built evolution of the iconic M9 platform, engineered for shooters who demand modern capability without abandoning proven reliability. Chambered in 9mm with a 5.1-inch threaded barrel, this double/single-action pistol is ready for suppressor use, optic mounting, and low-light environments straight out of the box. Three 10-round magazines are included, making it compliant-state ready while delivering everything you need to run it hard from day one.

Key Specifications

• The pistol is chambered in 9mm for widely available, effective defensive and range ammunition.
• The barrel measures 5.1 inches with a black finish for an extended sight radius and suppressor-host capability.
• The muzzle is threaded at 1/2″x28, the standard pattern for 9mm suppressors and muzzle devices.
• Capacity is 10+1 rounds, with three 10-round magazines included.
• The action is Double/Single Action (DA/SA), offering a proven trigger system trusted by military and law enforcement worldwide.
• An ambidextrous safety provides intuitive, left- or right-handed operation.
• The slide is optic-ready and serrated for direct mounting of compact red dots without an adapter plate.
• Tritium night sights deliver reliable target acquisition in low-light and no-light conditions.
• The distinctive Lunar color finish sets this variant apart with a premium, tactical aesthetic.

The M9A4 Lunar isn’t a range novelty — it’s a fully equipped, mission-ready pistol built on one of the most battle-tested designs in firearms history. Whether you’re running a suppressor, mounting an optic, or relying on tritium sights in the dark, every feature on this pistol serves a purpose. If you’re looking for a full-size 9mm that delivers serious performance with zero compromises, the M9A4 Lunar belongs in your collection.